Home / 5,403.36-7,456.86-3,045.60

Finding the Fourth Proportional to 5,403.36, 7,456.86 and 3,045.60

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Solution

The fourth proportional to 5,403.36, 7,456.86 and 3,045.60 is: 4,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.36 : 7,456.86 = 3,045.60 : x
  2. Step 2: Convert to fraction form
    5,403.36/7,456.86 = 3,045.60/x
  3. Step 3: Cross multiply
    5,403.36x = 7,456.86 × 3,045.60
  4. Step 4: Simplify right side
    5,403.36x = 22,710,612.82
  5. Step 5: Solve for x
    x = 22,710,612.82/5,403.36
  6. Step 6: Final answer
    x = 4,203.05

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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.