Home / 7,551.13-10,420.79-4,567.51

Finding the Fourth Proportional to 7,551.13, 10,420.79 and 4,567.51

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Solution

The fourth proportional to 7,551.13, 10,420.79 and 4,567.51 is: 6,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.13 : 10,420.79 = 4,567.51 : x
  2. Step 2: Convert to fraction form
    7,551.13/10,420.79 = 4,567.51/x
  3. Step 3: Cross multiply
    7,551.13x = 10,420.79 × 4,567.51
  4. Step 4: Simplify right side
    7,551.13x = 47,597,039.70
  5. Step 5: Solve for x
    x = 47,597,039.70/7,551.13
  6. Step 6: Final answer
    x = 6,303.30

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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.