Home / 5,394.80-7,444.40-3,036.48

Finding the Fourth Proportional to 5,394.80, 7,444.40 and 3,036.48

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Solution

The fourth proportional to 5,394.80, 7,444.40 and 3,036.48 is: 4,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394.80 : 7,444.40 = 3,036.48 : x
  2. Step 2: Convert to fraction form
    5,394.80/7,444.40 = 3,036.48/x
  3. Step 3: Cross multiply
    5,394.80x = 7,444.40 × 3,036.48
  4. Step 4: Simplify right side
    5,394.80x = 22,604,756.53
  5. Step 5: Solve for x
    x = 22,604,756.53/5,394.80
  6. Step 6: Final answer
    x = 4,190.10

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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.