Home / 4,874.17-7,312.29-1,587.19

Finding the Fourth Proportional to 4,874.17, 7,312.29 and 1,587.19

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Solution

The fourth proportional to 4,874.17, 7,312.29 and 1,587.19 is: 2,381.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.17 : 7,312.29 = 1,587.19 : x
  2. Step 2: Convert to fraction form
    4,874.17/7,312.29 = 1,587.19/x
  3. Step 3: Cross multiply
    4,874.17x = 7,312.29 × 1,587.19
  4. Step 4: Simplify right side
    4,874.17x = 11,605,993.57
  5. Step 5: Solve for x
    x = 11,605,993.57/4,874.17
  6. Step 6: Final answer
    x = 2,381.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.