Home / 4,740.08-7,110.12-1,277.48

Finding the Fourth Proportional to 4,740.08, 7,110.12 and 1,277.48

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Solution

The fourth proportional to 4,740.08, 7,110.12 and 1,277.48 is: 1,916.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.08 : 7,110.12 = 1,277.48 : x
  2. Step 2: Convert to fraction form
    4,740.08/7,110.12 = 1,277.48/x
  3. Step 3: Cross multiply
    4,740.08x = 7,110.12 × 1,277.48
  4. Step 4: Simplify right side
    4,740.08x = 9,083,036.10
  5. Step 5: Solve for x
    x = 9,083,036.10/4,740.08
  6. Step 6: Final answer
    x = 1,916.22

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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.