Home / 7,485.15-10,328.80-4,341

Finding the Fourth Proportional to 7,485.15, 10,328.80 and 4,341

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Solution

The fourth proportional to 7,485.15, 10,328.80 and 4,341 is: 5,990.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.15 : 10,328.80 = 4,341 : x
  2. Step 2: Convert to fraction form
    7,485.15/10,328.80 = 4,341/x
  3. Step 3: Cross multiply
    7,485.15x = 10,328.80 × 4,341
  4. Step 4: Simplify right side
    7,485.15x = 44,837,320.80
  5. Step 5: Solve for x
    x = 44,837,320.80/7,485.15
  6. Step 6: Final answer
    x = 5,990.17

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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.