Home / 7,225.41-9,970.07-4,038.32

Finding the Fourth Proportional to 7,225.41, 9,970.07 and 4,038.32

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Solution

The fourth proportional to 7,225.41, 9,970.07 and 4,038.32 is: 5,572.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225.41 : 9,970.07 = 4,038.32 : x
  2. Step 2: Convert to fraction form
    7,225.41/9,970.07 = 4,038.32/x
  3. Step 3: Cross multiply
    7,225.41x = 9,970.07 × 4,038.32
  4. Step 4: Simplify right side
    7,225.41x = 40,262,263.04
  5. Step 5: Solve for x
    x = 40,262,263.04/7,225.41
  6. Step 6: Final answer
    x = 5,572.32

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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.