Home / 2,916.59-4,024.76-1,590.21

Finding the Fourth Proportional to 2,916.59, 4,024.76 and 1,590.21

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Solution

The fourth proportional to 2,916.59, 4,024.76 and 1,590.21 is: 2,194.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.59 : 4,024.76 = 1,590.21 : x
  2. Step 2: Convert to fraction form
    2,916.59/4,024.76 = 1,590.21/x
  3. Step 3: Cross multiply
    2,916.59x = 4,024.76 × 1,590.21
  4. Step 4: Simplify right side
    2,916.59x = 6,400,205.65
  5. Step 5: Solve for x
    x = 6,400,205.65/2,916.59
  6. Step 6: Final answer
    x = 2,194.42

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.