Home / 1,475.15-2,211.32-500.58

Finding the Fourth Proportional to 1,475.15, 2,211.32 and 500.58

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Solution

The fourth proportional to 1,475.15, 2,211.32 and 500.58 is: 750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.15 : 2,211.32 = 500.58 : x
  2. Step 2: Convert to fraction form
    1,475.15/2,211.32 = 500.58/x
  3. Step 3: Cross multiply
    1,475.15x = 2,211.32 × 500.58
  4. Step 4: Simplify right side
    1,475.15x = 1,106,943.82
  5. Step 5: Solve for x
    x = 1,106,943.82/1,475.15
  6. Step 6: Final answer
    x = 750.40

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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.