Home / 4,875.90-7,314.56-1,412.70

Finding the Fourth Proportional to 4,875.90, 7,314.56 and 1,412.70

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Solution

The fourth proportional to 4,875.90, 7,314.56 and 1,412.70 is: 2,119.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.90 : 7,314.56 = 1,412.70 : x
  2. Step 2: Convert to fraction form
    4,875.90/7,314.56 = 1,412.70/x
  3. Step 3: Cross multiply
    4,875.90x = 7,314.56 × 1,412.70
  4. Step 4: Simplify right side
    4,875.90x = 10,333,278.91
  5. Step 5: Solve for x
    x = 10,333,278.91/4,875.90
  6. Step 6: Final answer
    x = 2,119.26

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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.