Home / 4,821.40-7,212.10-4,526.16

Finding the Fourth Proportional to 4,821.40, 7,212.10 and 4,526.16

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Solution

The fourth proportional to 4,821.40, 7,212.10 and 4,526.16 is: 6,770.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.40 : 7,212.10 = 4,526.16 : x
  2. Step 2: Convert to fraction form
    4,821.40/7,212.10 = 4,526.16/x
  3. Step 3: Cross multiply
    4,821.40x = 7,212.10 × 4,526.16
  4. Step 4: Simplify right side
    4,821.40x = 32,643,118.54
  5. Step 5: Solve for x
    x = 32,643,118.54/4,821.40
  6. Step 6: Final answer
    x = 6,770.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.