Home / 1,573.74-2,172.57-1,153.62

Finding the Fourth Proportional to 1,573.74, 2,172.57 and 1,153.62

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Solution

The fourth proportional to 1,573.74, 2,172.57 and 1,153.62 is: 1,592.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.74 : 2,172.57 = 1,153.62 : x
  2. Step 2: Convert to fraction form
    1,573.74/2,172.57 = 1,153.62/x
  3. Step 3: Cross multiply
    1,573.74x = 2,172.57 × 1,153.62
  4. Step 4: Simplify right side
    1,573.74x = 2,506,320.20
  5. Step 5: Solve for x
    x = 2,506,320.20/1,573.74
  6. Step 6: Final answer
    x = 1,592.59

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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.