Home / 1,875.13-2,586.11-1,404.14

Finding the Fourth Proportional to 1,875.13, 2,586.11 and 1,404.14

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Solution

The fourth proportional to 1,875.13, 2,586.11 and 1,404.14 is: 1,936.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.13 : 2,586.11 = 1,404.14 : x
  2. Step 2: Convert to fraction form
    1,875.13/2,586.11 = 1,404.14/x
  3. Step 3: Cross multiply
    1,875.13x = 2,586.11 × 1,404.14
  4. Step 4: Simplify right side
    1,875.13x = 3,631,248.44
  5. Step 5: Solve for x
    x = 3,631,248.44/1,875.13
  6. Step 6: Final answer
    x = 1,936.53

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1.5x scale

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.