Home / 5,436.49-7,498.80-4,315.66

Finding the Fourth Proportional to 5,436.49, 7,498.80 and 4,315.66

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Solution

The fourth proportional to 5,436.49, 7,498.80 and 4,315.66 is: 5,952.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.49 : 7,498.80 = 4,315.66 : x
  2. Step 2: Convert to fraction form
    5,436.49/7,498.80 = 4,315.66/x
  3. Step 3: Cross multiply
    5,436.49x = 7,498.80 × 4,315.66
  4. Step 4: Simplify right side
    5,436.49x = 32,362,271.21
  5. Step 5: Solve for x
    x = 32,362,271.21/5,436.49
  6. Step 6: Final answer
    x = 5,952.79

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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.