Home / 4,931.32-7,395.18-1,810.30

Finding the Fourth Proportional to 4,931.32, 7,395.18 and 1,810.30

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Solution

The fourth proportional to 4,931.32, 7,395.18 and 1,810.30 is: 2,714.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.32 : 7,395.18 = 1,810.30 : x
  2. Step 2: Convert to fraction form
    4,931.32/7,395.18 = 1,810.30/x
  3. Step 3: Cross multiply
    4,931.32x = 7,395.18 × 1,810.30
  4. Step 4: Simplify right side
    4,931.32x = 13,387,494.35
  5. Step 5: Solve for x
    x = 13,387,494.35/4,931.32
  6. Step 6: Final answer
    x = 2,714.79

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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.