Home / 5,031.32-7,541.81-1,742.61

Finding the Fourth Proportional to 5,031.32, 7,541.81 and 1,742.61

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Solution

The fourth proportional to 5,031.32, 7,541.81 and 1,742.61 is: 2,612.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.32 : 7,541.81 = 1,742.61 : x
  2. Step 2: Convert to fraction form
    5,031.32/7,541.81 = 1,742.61/x
  3. Step 3: Cross multiply
    5,031.32x = 7,541.81 × 1,742.61
  4. Step 4: Simplify right side
    5,031.32x = 13,142,459.63
  5. Step 5: Solve for x
    x = 13,142,459.63/5,031.32
  6. Step 6: Final answer
    x = 2,612.13

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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.