Home / 5,011.52-6,916.56-2,886.98

Finding the Fourth Proportional to 5,011.52, 6,916.56 and 2,886.98

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Solution

The fourth proportional to 5,011.52, 6,916.56 and 2,886.98 is: 3,984.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.52 : 6,916.56 = 2,886.98 : x
  2. Step 2: Convert to fraction form
    5,011.52/6,916.56 = 2,886.98/x
  3. Step 3: Cross multiply
    5,011.52x = 6,916.56 × 2,886.98
  4. Step 4: Simplify right side
    5,011.52x = 19,967,970.39
  5. Step 5: Solve for x
    x = 19,967,970.39/5,011.52
  6. Step 6: Final answer
    x = 3,984.41

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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.