Home / 4,712.15-7,068.23-1,938.08

Finding the Fourth Proportional to 4,712.15, 7,068.23 and 1,938.08

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Solution

The fourth proportional to 4,712.15, 7,068.23 and 1,938.08 is: 2,907.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.15 : 7,068.23 = 1,938.08 : x
  2. Step 2: Convert to fraction form
    4,712.15/7,068.23 = 1,938.08/x
  3. Step 3: Cross multiply
    4,712.15x = 7,068.23 × 1,938.08
  4. Step 4: Simplify right side
    4,712.15x = 13,698,750.17
  5. Step 5: Solve for x
    x = 13,698,750.17/4,712.15
  6. Step 6: Final answer
    x = 2,907.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.