Home / 7,030.82-9,702.23-3,886.98

Finding the Fourth Proportional to 7,030.82, 9,702.23 and 3,886.98

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Solution

The fourth proportional to 7,030.82, 9,702.23 and 3,886.98 is: 5,363.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.82 : 9,702.23 = 3,886.98 : x
  2. Step 2: Convert to fraction form
    7,030.82/9,702.23 = 3,886.98/x
  3. Step 3: Cross multiply
    7,030.82x = 9,702.23 × 3,886.98
  4. Step 4: Simplify right side
    7,030.82x = 37,712,354.53
  5. Step 5: Solve for x
    x = 37,712,354.53/7,030.82
  6. Step 6: Final answer
    x = 5,363.87

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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.