Home / 7,562.45-10,436.36-4,205.40

Finding the Fourth Proportional to 7,562.45, 10,436.36 and 4,205.40

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Solution

The fourth proportional to 7,562.45, 10,436.36 and 4,205.40 is: 5,803.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,562.45 : 10,436.36 = 4,205.40 : x
  2. Step 2: Convert to fraction form
    7,562.45/10,436.36 = 4,205.40/x
  3. Step 3: Cross multiply
    7,562.45x = 10,436.36 × 4,205.40
  4. Step 4: Simplify right side
    7,562.45x = 43,889,047.32
  5. Step 5: Solve for x
    x = 43,889,047.32/7,562.45
  6. Step 6: Final answer
    x = 5,803.55

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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.