Home / 7,048.16-9,726.32-3,904.36

Finding the Fourth Proportional to 7,048.16, 9,726.32 and 3,904.36

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Solution

The fourth proportional to 7,048.16, 9,726.32 and 3,904.36 is: 5,387.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.16 : 9,726.32 = 3,904.36 : x
  2. Step 2: Convert to fraction form
    7,048.16/9,726.32 = 3,904.36/x
  3. Step 3: Cross multiply
    7,048.16x = 9,726.32 × 3,904.36
  4. Step 4: Simplify right side
    7,048.16x = 37,975,054.76
  5. Step 5: Solve for x
    x = 37,975,054.76/7,048.16
  6. Step 6: Final answer
    x = 5,387.94

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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.