Home / 4,574.32-6,312.58-2,478.45

Finding the Fourth Proportional to 4,574.32, 6,312.58 and 2,478.45

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Solution

The fourth proportional to 4,574.32, 6,312.58 and 2,478.45 is: 3,420.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574.32 : 6,312.58 = 2,478.45 : x
  2. Step 2: Convert to fraction form
    4,574.32/6,312.58 = 2,478.45/x
  3. Step 3: Cross multiply
    4,574.32x = 6,312.58 × 2,478.45
  4. Step 4: Simplify right side
    4,574.32x = 15,645,382.34
  5. Step 5: Solve for x
    x = 15,645,382.34/4,574.32
  6. Step 6: Final answer
    x = 3,420.26

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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.