Home / 5,123.36-7,068.95-3,133.19

Finding the Fourth Proportional to 5,123.36, 7,068.95 and 3,133.19

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Solution

The fourth proportional to 5,123.36, 7,068.95 and 3,133.19 is: 4,323.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123.36 : 7,068.95 = 3,133.19 : x
  2. Step 2: Convert to fraction form
    5,123.36/7,068.95 = 3,133.19/x
  3. Step 3: Cross multiply
    5,123.36x = 7,068.95 × 3,133.19
  4. Step 4: Simplify right side
    5,123.36x = 22,148,363.45
  5. Step 5: Solve for x
    x = 22,148,363.45/5,123.36
  6. Step 6: Final answer
    x = 4,323.02

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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.