Home / 2,916.50-4,024.80-1,590.22

Finding the Fourth Proportional to 2,916.50, 4,024.80 and 1,590.22

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Solution

The fourth proportional to 2,916.50, 4,024.80 and 1,590.22 is: 2,194.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.50 : 4,024.80 = 1,590.22 : x
  2. Step 2: Convert to fraction form
    2,916.50/4,024.80 = 1,590.22/x
  3. Step 3: Cross multiply
    2,916.50x = 4,024.80 × 1,590.22
  4. Step 4: Simplify right side
    2,916.50x = 6,400,307.39
  5. Step 5: Solve for x
    x = 6,400,307.39/2,916.50
  6. Step 6: Final answer
    x = 2,194.51

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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.