Home / 1,132.04-1,689.24-1,009.46

Finding the Fourth Proportional to 1,132.04, 1,689.24 and 1,009.46

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Solution

The fourth proportional to 1,132.04, 1,689.24 and 1,009.46 is: 1,506.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132.04 : 1,689.24 = 1,009.46 : x
  2. Step 2: Convert to fraction form
    1,132.04/1,689.24 = 1,009.46/x
  3. Step 3: Cross multiply
    1,132.04x = 1,689.24 × 1,009.46
  4. Step 4: Simplify right side
    1,132.04x = 1,705,220.21
  5. Step 5: Solve for x
    x = 1,705,220.21/1,132.04
  6. Step 6: Final answer
    x = 1,506.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.