Home / 5,053.52-6,973.76-2,815.58

Finding the Fourth Proportional to 5,053.52, 6,973.76 and 2,815.58

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Solution

The fourth proportional to 5,053.52, 6,973.76 and 2,815.58 is: 3,885.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.52 : 6,973.76 = 2,815.58 : x
  2. Step 2: Convert to fraction form
    5,053.52/6,973.76 = 2,815.58/x
  3. Step 3: Cross multiply
    5,053.52x = 6,973.76 × 2,815.58
  4. Step 4: Simplify right side
    5,053.52x = 19,635,130.23
  5. Step 5: Solve for x
    x = 19,635,130.23/5,053.52
  6. Step 6: Final answer
    x = 3,885.44

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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.