Home / 1,475.13-2,035.40-951.87

Finding the Fourth Proportional to 1,475.13, 2,035.40 and 951.87

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Solution

The fourth proportional to 1,475.13, 2,035.40 and 951.87 is: 1,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.13 : 2,035.40 = 951.87 : x
  2. Step 2: Convert to fraction form
    1,475.13/2,035.40 = 951.87/x
  3. Step 3: Cross multiply
    1,475.13x = 2,035.40 × 951.87
  4. Step 4: Simplify right side
    1,475.13x = 1,937,431.44
  5. Step 5: Solve for x
    x = 1,937,431.44/1,475.13
  6. Step 6: Final answer
    x = 1,313.40

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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.