Home / 1,648.14-2,275.05-1,124.52

Finding the Fourth Proportional to 1,648.14, 2,275.05 and 1,124.52

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Solution

The fourth proportional to 1,648.14, 2,275.05 and 1,124.52 is: 1,552.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648.14 : 2,275.05 = 1,124.52 : x
  2. Step 2: Convert to fraction form
    1,648.14/2,275.05 = 1,124.52/x
  3. Step 3: Cross multiply
    1,648.14x = 2,275.05 × 1,124.52
  4. Step 4: Simplify right side
    1,648.14x = 2,558,339.23
  5. Step 5: Solve for x
    x = 2,558,339.23/1,648.14
  6. Step 6: Final answer
    x = 1,552.26

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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.