Home / 1,423.08-2,132.21-1,010.16

Finding the Fourth Proportional to 1,423.08, 2,132.21 and 1,010.16

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Solution

The fourth proportional to 1,423.08, 2,132.21 and 1,010.16 is: 1,513.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423.08 : 2,132.21 = 1,010.16 : x
  2. Step 2: Convert to fraction form
    1,423.08/2,132.21 = 1,010.16/x
  3. Step 3: Cross multiply
    1,423.08x = 2,132.21 × 1,010.16
  4. Step 4: Simplify right side
    1,423.08x = 2,153,868.20
  5. Step 5: Solve for x
    x = 2,153,868.20/1,423.08
  6. Step 6: Final answer
    x = 1,513.53

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1.5x scale

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.