Home / 7,354.63-10,150.28-4,210.75

Finding the Fourth Proportional to 7,354.63, 10,150.28 and 4,210.75

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Solution

The fourth proportional to 7,354.63, 10,150.28 and 4,210.75 is: 5,811.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,354.63 : 10,150.28 = 4,210.75 : x
  2. Step 2: Convert to fraction form
    7,354.63/10,150.28 = 4,210.75/x
  3. Step 3: Cross multiply
    7,354.63x = 10,150.28 × 4,210.75
  4. Step 4: Simplify right side
    7,354.63x = 42,740,291.51
  5. Step 5: Solve for x
    x = 42,740,291.51/7,354.63
  6. Step 6: Final answer
    x = 5,811.34

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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.