Home / 2,916.98-4,025.52-1,590.76

Finding the Fourth Proportional to 2,916.98, 4,025.52 and 1,590.76

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Solution

The fourth proportional to 2,916.98, 4,025.52 and 1,590.76 is: 2,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.98 : 4,025.52 = 1,590.76 : x
  2. Step 2: Convert to fraction form
    2,916.98/4,025.52 = 1,590.76/x
  3. Step 3: Cross multiply
    2,916.98x = 4,025.52 × 1,590.76
  4. Step 4: Simplify right side
    2,916.98x = 6,403,636.20
  5. Step 5: Solve for x
    x = 6,403,636.20/2,916.98
  6. Step 6: Final answer
    x = 2,195.30

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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.